Q101. A can do a piece of work in 12 days and B in 15 days. Working together, in how many days will they finish it?
Q102. A is twice as good a workman as B, and together they finish a piece of work in 14 days. In how many days can A alone finish the work?
Q103. 12 men can complete a piece of work in 8 days. How many men are required to complete the same work in 6 days?
Q104. A and B can do a work in 18 days, B and C in 24 days, and A and C in 36 days. In how many days can A, B and C together finish the work?
Q105. A pipe can fill a tank in 20 minutes; another pipe can empty it in 30 minutes. If both are opened together, in how much time will the tank be filled?
Q106. Two pipes A and B can fill a tank in 24 minutes and 32 minutes respectively. If both are opened together, after how much time should B be closed so the tank is full in 18 minutes?
Q107. 15 men can complete a work in 24 days. After 4 days, 5 more men join them. In how many total days will the work be finished?
Q108. A and B together can complete a work in 8 days. A alone can do it in 12 days. In how many days can B alone complete the work?
Q109. A can finish a work in 18 days and B in 15 days. B worked for 10 days and then left. In how many days can A alone finish the remaining work?
Q110. Two taps can fill a tank in 10 hours and 15 hours respectively. A third tap can empty the full tank in 20 hours. If all three are opened together, find the time to fill the tank.
